CVE-2026-89046: falha de alta gravidade em luben zstd-jni
zstd-jni 1.5.5-6 through 1.5.7-13 Out-of-Bounds Read via Negative Offset
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Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 8.8epss 0.7%
zstd-jni versions 1.5.5-6 through 1.5.7-13 contain an out-of-bounds read vulnerability in Zstd.getFrameContentSize that fails to validate negative srcPosition arguments. Attackers can supply negative offset values that bypass bounds checks and reach the native frame-header parser, causing out-of-bounds memory reads that lead to information disclosure or JVM crashes.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
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Referências
https://github.com/luben/zstd-jnihttps://github.com/luben/zstd-jni/blob/v1.5.7-13/src/main/java/com/github/luben/zstd/Zstd.java#L730https://github.com/luben/zstd-jni/blob/v1.5.7-13/src/main/native/jni_zstd.c#L87https://github.com/luben/zstd-jni/commit/dd08685ef913a32e76fb27f43470035c06758646https://github.com/luben/zstd-jni/releases/tag/v1.5.7-14https://github.com/luben/zstd-jni/security/advisories/GHSA-rm53-6wf5-f34mhttps://www.vulncheck.com/advisories/zstd-jni-1.5.5-6-through-1.5.7-13-out-of-bounds-read-via-negative-offset